Tascam US-125M User Manual
US-125M
USB Mixing Audio Interface
D01160020A
OWNER'S MANUAL
2 TASCAM US-125M
IMPORTANT SAFETY PRECAUTIONS
For U.S.A.
TO THE USER
This equipment has been tested and found to comply with the limits for a Class
B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed
to provide reasonable protection against harmful interference in a residential
installation. This equipment generates, uses, and can radiate radio frequency energy
and, if not installed and used in accordance with the instruction manual, may cause
harmful interference to radio communications. However, there is no guarantee that
interference will not occur in a particular installation. If this equipment does cause
harmful interference to radio or television reception, which can be determined
by turning the equipment off and on, the user is encouraged to try to correct the
interference by one or more of the following measures.
a) Reorient or relocate the receiving antenna.
b) Increase the separation between the equipment and receiver.
c) Connect the equipment into an outlet on a circuit different from that to which the
receiver is connected.
d) Consult the dealer or an experienced radio/TV technician for help.
CAUTION
Changes or modifications to this equipment not expressly approved by TEAC
CORPORATION for compliance could void the user's authority to operate this
equipment.
For Canada
THIS CLASS B DIGITAL APPARATUS COMPLIES WITH CANADIAN ICES-003.
CET APPAREIL NUMÉRIQUE DE LA CLASSE B EST CONFORME À LA NORME NMB-003 DU CANADA.
For European Customers
Disposal of electrical and electronic equipment
(a) All electrical and electronic equipment should be disposed of separately from the
municipal waste stream via collection facilities designated by the government or
local authorities.
(b) By disposing of electrical and electronic equipment correctly, you will help save
valuable resources and prevent any potential negative effects on human health and
the environment.
(c) Improper disposal of waste electrical and electronic equipment can have serious
effects on the environment and human health because of the presence of
hazardous substances in the equipment.
(d) The Waste Electrical and Electronic Equipment (WEEE) symbol, which shows a
wheeled bin that has been crossed out, indicates that electrical and electronic
equipment must be collected and disposed of separately from household waste.
Declaration of Conformity
Model Number : US-125M
Trade Name : TASCAM
Responsible party : TEAC AMERICA, INC.
Address : 7733 Telegraph Road, Montebello, California, U.S. A.
Telephone number : 1-323-726-0303
This device complies with Part 15 of the FCC Rules. Operation is subject to the
following two conditions: (1) this device may not cause harmful interference, and (2)
this device must accept any interference recieved, including interference that may
cause undesired operation.
(e) Return and collection systems are available to end users. For more detailed
information about the disposal of old electrical and electronic equipment, please
contact your city office, waste disposal service or the shop where you purchased the
equipment.
TASCAM US-125M 3
IMPORTANT SAFETY INSTRUCTIONS
1 Read these instructions.
2 Keep these instructions.
3 Heed all warnings.
4 Follow all instructions.
5 Do not use this apparatus near water.
6 Clean only with dry cloth.
7 Do not blo c k any venti latio n openi ngs. In s tall in accorda n ce with the
manufacturer's instructions.
8 Do not install near any heat sources such as radiators, heat registers, stoves, or
other apparatus (including ampliers) that produce heat.
9 Do not defeat the safety purpose of the polarized or grounding-type plug. A
polarized plug has two blades with one wider than the other. A grounding type
plug has two blades and a third grounding prong. The wide blade or the third
prong are provided for your safety. If the provided plug does not fit into your
outlet, consult an electrician for replacement of the obsolete outlet.
10 Protect the power cord from being walked on or pinched particularly at plugs,
convenience receptacles, and the point where they exit from the apparatus.
11 Only use attachments/accessories specied by the manufacturer.
12 Use only with the cart, stand, tripod, bracket, or tab l e spec i f ied by the
manufacturer, or sold with the apparatus. When a cart is used, use caution when
moving the cart/apparatus combination to avoid injury from tip-over.
14 Refer all servicing to qualified service personnel. Servicing is required when the
apparatus has been damaged in any way, such as power-supply cord or plug is
damaged, liquid has been spilled or objects have fallen into the apparatus, the
apparatus has been exposed to rain or moisture, does not operate normally, or has
been dropped.
Do not expose this apparatus to drips or splashes.
•
Do not place any objects filled with liquids, such as vases, on the apparatus.
•
Do not install this apparatus in a confined space such as a book case or similar unit.
•
The apparatus draws nominal non-operating power from the AC outlet with its
•
POWER or STANDBY/ON switch not in the ON position.
The apparatus should be located close enough to the AC outlet so that you can easily
•
grasp the power cord plug at any time.
The mains plug is used as the disconnect device, the disconnect device shall remain
•
readily operable.
Products with Class I construction are equipped with a power supply cord that has a
•
grounding plug. The cord of such a product must be plugged into an AC outlet that
has a protective grounding connection.
If the product uses batteries (including a battery pack or installed batteries), they
•
should not be exposed to sunshine, fire or excessive heat.
CAUTION for products that use replaceable lithium batteries: there is danger of
•
explosion if a battery is replaced with an incorrect type of battery. Replace only with
the same or equivalent type.
Caution should be taken when using earphones or headphones with the product
•
because excessive sound pressure (volume) from earphones or headphones can
cause hearing loss.
13 Unplug this apparatus during lightning storms or when unused for long periods of
time.
4 TASCAM US-125M
Contents
IMPORTANT SAFETY PRECAUTIONS .....................................................2
IMPORTANT SAFETY INSTRUCTIONS ....................................................3
1 − Introduction ......................................................................................5
About the product .......................................................................................................................... 5
Features .............................................................................................................................................. 5
Included items ................................................................................................................................. 5
Conventions used in this manual .............................................................................................. 5
Trademarks ........................................................................................................................................ 6
Precautions for placement and use ..........................................................................................6
Beware of condensation ............................................................................................................... 6
Cleaning the unit............................................................................................................................. 6
User registration .............................................................................................................................. 6
2 − Names and functions of parts .........................................................7
Front panel ........................................................................................................................................ 7
Rear panel .......................................................................................................................................... 7
3 − Connections ......................................................................................8
Connecting with a computer...................................................................................................... 8
Using a power adaptor ................................................................................................................8
Connecting microphones ........................................................................................................... 9
Connecting instruments and mono sound sources .......................................................... 9
Connecting line input devices ...................................................................................................9
Connecting monitor speakers .................................................................................................10
Connecting headphones ..........................................................................................................10
Digital input and output ......................................................................................................19
Audio performance ......................................................................................................................19
Computer requirements .............................................................................................................20
General..............................................................................................................................................20
Dimensional drawings ................................................................................................................20
4 – Settings ............................................................................................11
Windows 7/Windows Vista ........................................................................................................11
Windows XP ....................................................................................................................................13
Mac OS X ..........................................................................................................................................14
Audio application settings.........................................................................................................16
Stand-alone operation ................................................................................................................16
5 – Troubleshooting ..............................................................................17
6 – Specifications ..................................................................................19
AD/DA convertor ...........................................................................................................................19
Inputs and outputs .......................................................................................................................19
Analog audio inputs and outputs ....................................................................................19
TASCAM US-125M 5
1 − Introduction
Thank you very much for purchasing a TASCAM US-125M Mixing Audio Interface.
Please read this manual thoroughly before using the unit so that you understand
correct operating procedures and can use its functions fully. We hope that you enjoy
using this unit for many years.
Please keep this manual so that you can read it at any time. A digital copy of this manual
can also be downloaded from our website (http://tascam.com/)
About the product
This compact USB audio interface is ideal for easily mixing sounds from a variety of
sources such as a computer, a music player, a guitar, synthesizer or other instrument as
well as a microphone, which could be used for narration. This mix can then be used for
live broadcasting over the Internet or in a computer-based digital recording system.
Moreover, when not using this mixer as a USB audio interface, you can use it as a standalone analog mixer by powering it with an adaptor. (The TASCAM PS-P515U AC adaptor,
which is sold separately, meets the specifications of this unit.) Ordinarily, this unit can be
operated using only USB power, so you can use it together with a notebook computer
to make an extremely compact audio mixing and recording system.
Features
USB audio interface with 2 channels of audio input and output
•
Supports 32/44.1/48 kHz, 16-bit formats
•
Direct monitoring allows latency-free input monitoring
•
Two balanced MIC inputs (XLR and standard TRS) and a mini-jack MIC input (only one
•
can be used for input at a time)
Stereo line input jacks (RCA pin)
•
Phone jack supports high impedance input for connecting guitars and other
•
instruments
Indicators for checking audio signal input and signal overloads
•
Analog limiter can prevent distortion even with loud mic input signals
•
Loop mix function allows the output signal from the computer to be mixed with
•
other input signals and sent back to the computer
Stereo line output jacks (RCA pin)
•
Headphones output jack (3.5mm stereo mini-jack)
•
Power supplied through the USB port
•
Output level adjustment knob controls output volume
•
Operates with the standard Windows XP/Vista/7 (WDM) and Mac OS X (Core Audio)
•
audio drivers
Supports Windows XP/Vista/7 (32/64-bit editions) and Mac OS 10.3.9 or later
•
Can be operated as a standalone mixer using a TASCAM PS-P515U AC adaptor (sold
•
separately)
About use with a computer
If you have any questions about the basic operation of your computer when it is
mentioned in this manual, please see its manual.
Included items
This product includes the following items.
Take care when opening the package not to damage the items. Keep the package
materials for transportation in the future.
Please contact the retailer where you purchased this unit if any of these items are
missing or have been damaged during transportation.
Main unit• ................................................................................................................................................... 1
USB cable (1.5 m)• ...................................................................................................................................1
A warranty card• ......................................................................................................................................1
Quick Start Guide• ................................................................................................................................... 1
Conventions used in this manual
In this manual, we use the following conventions:
Buttons, jacks and other parts on the main unit and external devices are indicated
•
like this: MIC
When we show messages, for example, that appear on the screen, we show them like
•
this: OK.
6 TASCAM US-125M
1 − Introduction
Additional information is provided as necessary as tips, notes and cautions.
•
TIP
These are tips about how to use the unit.
NOTE
These provide additional explanations and describe special cases.
CAUTION
Failure to follow these instructions could result in injury, damage to equipment or lost
recording data, for example.
Trademarks
TASCAM is a trademark of TEAC Corporation, registered in the U.S. and other
•
countries.
Microsoft, Windows, Windows Vista, Windows 7 and Windows Media are either
•
registered trademarks or trademarks of Microsoft Corporation in the United States
and/or other countries.
Apple, Macintosh, Mac OS, Mac OS X and iTunes are trademarks of Apple Inc.
•
Other company names, product names and logos in this document are the trademarks
•
or registered trademarks of their respective owners.
Do not place this product on top of a powered amplifier or other equipment that
•
emits heat.
Beware of condensation
If the unit is moved from a cold to a warm place, or used immediately after a cold room
has been heated or otherwise exposed to a sudden temperature change, condensation
could occur. Should this happen, leave the unit for one or two hours before turning the
unit on.
Cleaning the unit
To clean the unit, wipe it gently with a soft dry cloth. Do not wipe with chemical
cleaning cloths, benzene, paint thinner, ethyl alcohol or other chemical agents to clean
the unit as they could damage the surface.
User registration
Customers in the USA, please visit the TASCAM website (http://tascam.com/) to register
as a user online.
Precautions for placement and use
The guaranteed operating temperature range of this product is 5° - 35° C (41° - 95° F).
•
Do not install in the following types of places. Doing so could degrade the sound
•
quality and/or cause malfunctions.
Places with significant vibrations or that are otherwise unstable
•
Near windows or other places exposed to direct sunlight
•
Near heaters or other extremely hot places
•
Extremely cold places
•
Places with bad ventilation or high humidity
•
Very dusty locations
•
In order to promote the emission of heat, do not place anything on top of this
•
product.
TASCAM US-125M 7
2 − Names and functions of parts
Front panel
1 USB indicator
This lights when the USB connection is working properly.
2 SIG (signal) indicator
This lights when the input signal exceeds a certain level.
3 OL (overload) indicator
This lights when the input signal is too loud.
4 LIMITER button
When this is ON, distortion caused by sudden excessive MIC input signals can be
prevented.
5 MIC knob
Use this to adjust the input level of the MIC IN connectors on the front and rear of
the interface.
Turn right to increase the level.
6 INST knob
Use this to adjust the level input from the INST IN jack. Turn right to increase the
level.
7 LINE knob
Use this to adjust the level input from the LINE IN jacks. Turn right to increase the
level.
8 COMPUTER knob
Use this to adjust the level input from the USB port (signal output from the
computer). Turn right to increase the level.
9 OUTPUT knob
Use this to adjust the level output from the headphones output (PHONES jack) and
line outputs (LINE OUT jacks). Turn right to increase the output volume.
0 MIC IN jack (3.5mm mini-jack)
Connect a mic that can use plug-in power here.
q PHONES jack (3.5mm stereo mini-jack)
Connect headphones here. When headphones are connected, sound is not output
from the LINE OUT connectors.
Rear panel
w MIC IN connector (XLR)
Connect a mic here.
e MIC IN jack (standard TRS)
Connect a mic here.
r LOOP MIX switch
This sets whether or not the signal output from the computer is returned to the
computer after being mixed with other signals (loop mix function).
t INST IN jack (standard TRS)
Connect a guitar, bass or other high-impedance mono signal source.
y LINE IN jacks (RCA pin)
Connect a stereo device to the L and R inputs.
u LINE OUT jacks (RCA pin)
All the inputs (MIC, INST, LINE and COMPUTER) are mixed and output in stereo from
the L and R outputs.
Connect powered speakers or an amplifier and speaker system here. When
headphones are connected to the PHONES jack, no signal is output from these
jacks.
i USB port
Use the included USB cable to connect a computer to the interface here. Power is
supplied to the unit through the USB port from the computer or a TASCAM PS-P515U
AC adaptor (sold separately).
8 TASCAM US-125M
Computer
TASCAM
PS-P515U
(sold separately)
AC power
outlet
USB plug
3 − Connections
Connecting with a computer
Use the included USB cable to connect the interface with a computer as shown in the
illustration.
CAUTION
Some USB devices access the USB bus frequently. To avoid dropouts and clicks in the
audio signal, we strongly recommend that you do not connect any USB devices other
than keyboards and mice to the computer that is connected to this unit.
NOTE
The USB indicator might stay lit even after the connected computer is shut down. This
shows that the shutdown computer is still supplying power through the USB cable.
Using a power adaptor
By using a TASCAM PS-P515U AC adaptor (sold separately), you can use this interface as
a stand-alone analog mixer. In this case, connect the power as shown in the following
illustration.
CAUTION
Use only a TASCAM PS-P515U AC adaptor (sold separately), which conforms to the
specifications of this unit. Use of an adaptor other than this model could cause
malfunction, fire or electric shock.
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